81954334

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{757}}^1$

素因数の和:833

約数の個数: 64

約数和(自身を含む): 165911040

約数和(自身を除く): 83956706

約数列:

[1, 2, 7, 11, 14, 19, 22, 37, 38, 74, 77, 133, 154, 209, 259, 266, 407, 418, 518, 703, 757, 814, 1406, 1463, 1514, 2849, 2926, 4921, 5299, 5698, 7733, 8327, 9842, 10598, 14383, 15466, 16654, 28009, 28766, 54131, 56018, 58289, 100681, 108262, 116578, 158213, 196063, 201362, 308099, 316426, 392126, 532171, 616198, 1064342, 1107491, 2156693, 2214982, 3725197, 4313386, 5853881, 7450394, 11707762, 40977167, 81954334]

約数ペア:

[(1, 81954334), (2, 40977167), (7, 11707762), (11, 7450394), (14, 5853881), (19, 4313386), (22, 3725197), (37, 2214982), (38, 2156693), (74, 1107491), (77, 1064342), (133, 616198), (154, 532171), (209, 392126), (259, 316426), (266, 308099), (407, 201362), (418, 196063), (518, 158213), (703, 116578), (757, 108262), (814, 100681), (1406, 58289), (1463, 56018), (1514, 54131), (2849, 28766), (2926, 28009), (4921, 16654), (5299, 15466), (5698, 14383), (7733, 10598), (8327, 9842)]